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URN's avatar
URN
Icon for New Contributor rankNew Contributor
6 years ago

How to write/read to external DDR from custom Qsys component (custom IP).

I could write some data on to external DDR from HPS Linux C . I want my custom component to read that data from DDR , perform some operation and put the result back to DDR at different memory locati...
KennyT_altera's avatar
KennyT_altera
Icon for Super Contributor rankSuper Contributor
6 years ago
HPS to DDR will have dedicated path for the interconnect in Qsys. You can try to use the custom component to access by sharing the master with the HPS. However, it might hit the fitter error since HPS to DDR have dedicated path. What I would suggest is use your C code in HPS to control the address writing for the DDR.
  • URN's avatar
    URN
    Icon for New Contributor rankNew Contributor
    6 years ago

    OK Thank you.